Physics, asked by prakritiititi, 7 months ago

WRONG ANSWERS WILL BE REPORTED!!!

Attachments:

Answers

Answered by armanmittal2885

1

Answer:

1 sec

Explanation:

v = 2t -4 i + 2t j

a = 2i + 2j

For a perpendicular to v,

a(vector).v(vector) = 0 (as angle = 90)

4t -8 + 4t = 0

t = 1 sec

Previous Question

Next Question

Similar questions

Physics, 3 months ago

add two vectors one is 5n and another is 3n...

English, 3 months ago

why didn't you come to school today? change in to declarative.

English, 3 months ago

Is Atlantis real or an imaginary place that Plato has imagine?

Science, 7 months ago

1. Plants that produce their own food are called (autotrophs/heterotrophs) 2. Mistletoe is an example of a (saprophyte/parasite) 3. Insectivorous plants are (heterotrophs/autotrophs) 4. The food factories of the autotrophic plants are their (leaves/roots) 5. The food synthesized by the plants is stored as (starch/glucose)...

Math, 7 months ago

Two figures are ------- if they are of the same shape and of the same size. 1 point a) similar b) equal c) congruent d) equivalent ...

Math, 1 year ago

what is non zero integral solution??

Science, 1 year ago

ho was the vegetable kale obtaineedfrom cabbage...

Biology, 1 year ago

anther has 2 lobes . each lobe has 2 theca n each theca has 2 microsporangium .. then there should be 6 microsporangium ... but there are 4 ... where am I going wrong ?